https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109788
Martin Liška changed:
What|Removed |Added
Summary|[14 Regression] |[14 Regression]
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
Target Milestone: ---
The following UBSAN happens with the following test
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109780
--- Comment #11 from Martin Liška ---
(In reply to Alexander Monakov from comment #10)
> (In reply to Martin Liška from comment #9)
> > Started with zen tuning revision r13-4839-geef81eefcdc2a5.
>
> The issue is also reproducible with
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109668
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99987
Martin Liška changed:
What|Removed |Added
Keywords|needs-bisection |
--- Comment #4 from Martin Liška ---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109780
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
--- Comment
||marxin at gcc dot gnu.org
Status|UNCONFIRMED |RESOLVED
--- Comment #1 from Martin Liška ---
Dup.
*** This bug has been marked as a duplicate of bug 109666 ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109666
Martin Liška changed:
What|Removed |Added
CC||fiesh at zefix dot tv
--- Comment #13
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109732
--- Comment #9 from Martin Liška ---
I've got a C++ reduced test-case:
$ cat x.ii
template struct is_same;
template using enable_if_t = _Tp;
template struct reverse_iterator {
_Iterator current;
typedef _Iterator iterator_type;
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109735
Martin Liška changed:
What|Removed |Added
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot
gnu.org
: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: rguenth at gcc dot gnu.org
Target Milestone
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109733
Martin Liška changed:
What|Removed |Added
Last reconfirmed||2023-05-04
Summary|ICE in
-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: ubizjak at gmail dot com
Target Milestone: ---
Host: x86_64-linux-gnu
I noticed
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109732
--- Comment #7 from Martin Liška ---
@Andrew: Will you be able to construct a test-case or do you want me to reduce
the provided one?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109732
--- Comment #5 from Martin Liška ---
So (long int)(_73 == 0) is changed to (long int)(_73 != 0).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109732
--- Comment #4 from Martin Liška ---
Looking at optimized dump before and after the revision I see an obvious error:
diff -u good bad
--- good2023-05-04 14:12:16.160695781 +0200
+++ bad 2023-05-04 14:11:58.516230125 +0200
@@ -3399,9
|NEW
Last reconfirmed||2023-05-04
Ever confirmed|0 |1
CC||marxin at gcc dot gnu.org
--- Comment #2 from Martin Liška ---
Started with r14-204-gf1f5cbaa3f716f.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109713
Martin Liška changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109713
--- Comment #4 from Martin Liška ---
(In reply to Jakub Jelinek from comment #3)
> 8 spaces -> tab.
May I commit it as obvious with the change?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109713
Martin Liška changed:
What|Removed |Added
Ever confirmed|0 |1
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109713
--- Comment #2 from Martin Liška ---
So something like this can fix it:
diff --git a/gcc/config/riscv/sync.md b/gcc/config/riscv/sync.md
index ba132d8a1ce..206adcfec3c 100644
--- a/gcc/config/riscv/sync.md
+++ b/gcc/config/riscv/sync.md
@@
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109713
--- Comment #1 from Martin Liška ---
The following generated code reports the warning:
static const char *
output_491 (rtx *operands ATTRIBUTE_UNUSED, rtx_insn *insn ATTRIBUTE_UNUSED)
{
#line 53
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: patrick at rivosinc dot com
Target
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109711
Martin Liška changed:
What|Removed |Added
CC||tnfchris at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109711
Martin Liška changed:
What|Removed |Added
Keywords|needs-bisection |
Summary|[14 regression] ICE
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109711
Martin Liška changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Keywords|needs-reduction
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109695
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109700
Martin Liška changed:
What|Removed |Added
Summary|ICE with address sanitizer |ICE with address sanitizer
||marxin at gcc dot gnu.org
Status|UNCONFIRMED |RESOLVED
--- Comment #2 from Martin Liška ---
Fixed.
CC||marxin at gcc dot gnu.org,
||ppalka at gcc dot gnu.org
--- Comment #1 from Martin Liška ---
Started with r12-8110-ge2c7070ac77405.
sa-loop-manip.cc:645
||since
||r14-301-gf2d6beb7a4ddf1
CC| |marxin at gcc dot gnu.org
--- Comment #4 from Martin Liška ---
Started with r14-301-gf2d6beb7a4ddf1.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109648
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109645
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109674
Martin Liška changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109674
--- Comment #5 from Martin Liška ---
The solution is probably very similar to libasan library where also __lsan
symbols are used and where we link against ../lsan/.libs/libsanitizer_lsan.a.
||2023-04-30
Assignee|unassigned at gcc dot gnu.org |marxin at gcc dot
gnu.org
Ever confirmed|0 |1
--- Comment #4 from Martin Liška ---
Oh, now I can reproduce it.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109674
Martin Liška changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: redi at gcc dot gnu.org
Target Milestone: ---
Apparently, clang++ 16.0.2 can't digest libstdc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109618
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109619
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109643
Martin Liška changed:
What|Removed |Added
Last reconfirmed|2023-04-27 00:00:00 |
Summary|[14 Regression] IPA
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109533
Martin Liška changed:
What|Removed |Added
Resolution|--- |FIXED
Status|UNCONFIRMED
CC||marxin at gcc dot gnu.org
--- Comment #1 from Martin Liška ---
Started with r14-169-g84325f1c6aa3c5.
,
||marxin at gcc dot gnu.org,
||sayle at gcc dot gnu.org
--- Comment #2 from Martin Liška ---
Started with r12-3278-g823685221de986.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109583
--- Comment #4 from Martin Liška ---
Fixed now?
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109583
Martin Liška changed:
What|Removed |Added
Last reconfirmed||2023-04-21
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: jakub at gcc dot gnu.org
Target Milestone
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109573
Martin Liška changed:
What|Removed |Added
Target Milestone|12.3|11.5
Summary|[11/12/13/14
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109582
Martin Liška changed:
What|Removed |Added
Version|13.0|14.0
CC|
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: rzinsly at ventanamicro dot com
Target Milestone: ---
Host: x86_64-linux-gnu
Target: riscv64-unknown-linux-gnu
at gcc dot gnu.org
--- Comment #5 from Martin Liška ---
With -O3 (as with -O2 it started with the revision where we enabled
vectorization at -O2), it started with r11-3025-g095d42feed09f8.
,
||marxin at gcc dot gnu.org
Summary|[13/14 Regression] Missed |[13/14 Regression] Missed
|Dead Code Elimination when |Dead Code Elimination when
|using __builtin_unreachable |using __builtin_unreachable
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109564
--- Comment #9 from Martin Liška ---
Simplified a bit more to:
struct libkeccak_generalised_spec {
int state_size;
int word_size;
} main_gspec;
long gvar;
int libkeccak_degeneralise_spec(struct libkeccak_generalised_spec *spec) {
int
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109564
--- Comment #6 from Martin Liška ---
(In reply to Richard Biener from comment #4)
> Created attachment 54887 [details]
> testcase
Note the reduced test-case already started to fail with
r13-1938-g87dd4c8c83768a.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100815
--- Comment #7 from Martin Liška ---
> Many thanks, Martin.
You're welcome!
> PS How do you do this location - by hand or do you have a script to do the
> bisection?
I have a script that uses pre-built GCC binaries:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100815
Martin Liška changed:
What|Removed |Added
Summary|[10/11/12/13/14 Regression] |[10/11 Regression] Segfault
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109539
--- Comment #1 from Martin Liška ---
Created attachment 54877
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54877=edit
Reduced test-case
Takes 1.77s after the mentioned revision and 0.15s before it.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109539
Martin Liška changed:
What|Removed |Added
Target Milestone|--- |13.0
Ever confirmed|0
Status: UNCONFIRMED
Keywords: needs-reduction
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: rguenth at gcc dot gnu.org
Target
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109531
Martin Liška changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109531
Martin Liška changed:
What|Removed |Added
Ever confirmed|0 |1
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109531
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
--- Comment
,
||marxin at gcc dot gnu.org
Ever confirmed|0 |1
Last reconfirmed||2023-04-17
Status|UNCONFIRMED |NEW
--- Comment #1 from Martin Liška ---
The __builtin_unreachable missed
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109490
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109462
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109446
--- Comment #11 from Martin Liška ---
>
> Maybe it just happens the end to be on the stack of the inner most function
> so it just happens that it is an variable address still.
No, that's not the case, see my previous comment.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109446
--- Comment #9 from Martin Liška ---
(In reply to Richard Biener from comment #8)
> (In reply to Jakub Jelinek from comment #7)
> > (In reply to Richard Biener from comment #6)
> > > not sure if we should prevent all of those transforms. But
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109446
Martin Liška changed:
What|Removed |Added
CC||rguenth at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109446
--- Comment #3 from Martin Liška ---
The problem here is that we normally preserve memcpy calls and then
__interceptor_memcpy is used from the run-time library. However, in this case
the second argument of memcpy is a known constant and we
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109480
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108241
Martin Liška changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109303
--- Comment #12 from Martin Liška ---
*** Bug 109408 has been marked as a duplicate of this bug. ***
--- Comment #13 from Martin Liška ---
*** Bug 109408 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109303
--- Comment #12 from Martin Liška ---
*** Bug 109408 has been marked as a duplicate of this bug. ***
--- Comment #13 from Martin Liška ---
*** Bug 109408 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109408
Martin Liška changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109408
Martin Liška changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109392
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: ian at airs dot com
Target Milestone: ---
I noticed the following
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109304
Martin Liška changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109386
Martin Liška changed:
What|Removed |Added
Ever confirmed|0 |1
Status|UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96919
Martin Liška changed:
What|Removed |Added
Status|ASSIGNED|NEW
Assignee|marxin at gcc dot
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101301
Martin Liška changed:
What|Removed |Added
Status|ASSIGNED|NEW
Assignee|marxin at gcc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105063
Martin Liška changed:
What|Removed |Added
Target Milestone|--- |14.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103429
Martin Liška changed:
What|Removed |Added
Assignee|marxin at gcc dot gnu.org |unassigned at gcc dot
gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105238
Martin Liška changed:
What|Removed |Added
Target Milestone|--- |14.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106816
Martin Liška changed:
What|Removed |Added
Target Milestone|--- |13.0
Keywords|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105238
Martin Liška changed:
What|Removed |Added
Keywords||patch
--- Comment #8 from Martin Liška
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105063
Martin Liška changed:
What|Removed |Added
Keywords||patch
--- Comment #16 from Martin Liška
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108241
--- Comment #3 from Martin Liška ---
(In reply to Martin Liška from comment #2)
> Patch candidate:
> https://gcc.gnu.org/pipermail/gcc-patches/2023-April/615048.html
Sorry, this link:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108241
Martin Liška changed:
What|Removed |Added
Keywords||patch
--- Comment #2 from Martin Liška
Assignee: gaius at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
Target Milestone: ---
I see some clang warnings related to M2:
m2/gm2-compiler-boot/M2GCCDeclare.c:8085:67: warning: unused parameter 'module'
[-Wunused-parameter]
m2/gm2-compiler-boot/PHBuild.c:3384:13
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83582
Martin Liška changed:
What|Removed |Added
Assignee|marxin at gcc dot gnu.org |unassigned at gcc dot
gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65534
Martin Liška changed:
What|Removed |Added
Assignee|marxin at gcc dot gnu.org |unassigned at gcc dot
gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80922
Martin Liška changed:
What|Removed |Added
Status|ASSIGNED|NEW
Assignee|marxin at gcc dot
||2023-03-30
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
CC||marxin at gcc dot gnu.org
--- Comment #3 from Martin Liška ---
Started with r13-2819-gb4feb49cf308b3, it was rejected before
|1
CC||marxin at gcc dot gnu.org
Keywords|needs-reduction |
Last reconfirmed||2023-03-30
--- Comment #3 from Martin Liška ---
Reduced test-case:
$ cat pr108640.i
int option_mask32;
enum
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163
Bug 26163 depends on bug 107409, which changed state.
Bug 107409 Summary: Perf loss ~5% on 519.lbm_r SPEC cpu2017 benchmark with
r10-5090-ga9a4edf0e71bba
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107409
What|Removed
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107409
Martin Liška changed:
What|Removed |Added
Resolution|--- |INVALID
Status|NEW
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109341
Martin Liška changed:
What|Removed |Added
Keywords|needs-bisection |
Summary|[12/13 Regression]
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109342
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
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